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IEEE STANDARD

802.12-1995 - IEEE Std 802.12-1990, IEEE Standards for Local and Metropolitan Networks: Demand Priority Access Method, Physical Layer and Repeater Specification

Description: The media access control characteristics for the Demand Priority access method are specified. The layer management, physical layers, and media that support this access method are also specified. Layer and sublayer interface specifications are aligned to the ISO Open Systems Interconnection Basic Reference Model and ISO/IEC 8802 models. Specifications for 100 Mb/s operation over 100 Ω balanced cable (twisted-pair) category 3 through 5, 150 Ω shielded balanced cable, and fibre optic media are included.
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